CA2373278A1 - Medicament delivery device with measuring chamber and dispensing cup - Google Patents

Medicament delivery device with measuring chamber and dispensing cup Download PDF

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Publication number
CA2373278A1
CA2373278A1 CA002373278A CA2373278A CA2373278A1 CA 2373278 A1 CA2373278 A1 CA 2373278A1 CA 002373278 A CA002373278 A CA 002373278A CA 2373278 A CA2373278 A CA 2373278A CA 2373278 A1 CA2373278 A1 CA 2373278A1
Authority
CA
Canada
Prior art keywords
medicament
delivery device
inhaler
reservoir
medicament delivery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002373278A
Other languages
French (fr)
Other versions
CA2373278C (en
Inventor
Philip Braithwaite
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Innovata Biomed Ltd
Original Assignee
Innovata Biomed Limited
Philip Braithwaite
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26315636&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2373278(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB9913047.8A external-priority patent/GB9913047D0/en
Priority claimed from GBGB9916283.6A external-priority patent/GB9916283D0/en
Application filed by Innovata Biomed Limited, Philip Braithwaite filed Critical Innovata Biomed Limited
Priority to CA2725731A priority Critical patent/CA2725731A1/en
Publication of CA2373278A1 publication Critical patent/CA2373278A1/en
Application granted granted Critical
Publication of CA2373278C publication Critical patent/CA2373278C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0065—Inhalators with dosage or measuring devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/06—Solids
    • A61M2202/064—Powder

Abstract

There is described a medicament delivery device (1) which comprises a medicament reservoir (2), a medicament delivery passage (3) and a metering member (4) adapted to transfer a measured dose of medicament from the medicament reservoir to the delivery passage characterised in that the devic e is provided with a moisture proof barrier (9). The medicament delivery devic e is especially suited for use as an inhaler. There is therefore also decribed an inhaler which provides improved airflow for the dispersion of medicament, and a method of treating patients suffering from a respiratory disorder.</SD OAB>

Claims (25)

1. A medicament delivery device (1) which comprises a medicament reservoir (2), a medicament delivery passage (3) and a metering member (4) adapted to transfer a measured dose of medicament from the medicament reservoir (2) to the delivery passage (3), the device (1) being provided with a moisture proof barrier (9) characterised in that the moisture proof barrier (9) comprises a resilient sealing member in a fixed position.
2. A medicament delivery device (1) according to Claim 1 characterised in that the moisture proof barrier is a moisture proof (9) sealing means.
3. A medicament delivery device (1) according to claim 1 characterised in that the moisture proof barrier (9) is positioned to prevent ingress of moisture into the medicament reservoir (2).
4. A medicament delivery device (1) according to Claim 1 wherein the sealing means is adapted to move from an inoperable position in which the medicament reservoir (2) is sealed, to an operable position in which the seal is broken so that measurement and/or delivery of a dose of medicament may take place.
5. A medicament delivery device (1) according to Claim 1 wherein the sealing means comprises a resilient sealing member positioned at the end of the medicament reservoir (2) adjacent the metering member (4).
6. A medicament delivery device according to Claim 5 wherein the metering member (4) is biased towards the sealing member (9).
7. A medicament delivery device (1) according to claim 1 characterised in that the delivery device is an inhaler.
8. A medicament delivery device (1) according to claim 7 characterised in that the inhaler is a dry powder inhaler.
9. A medicament delivery device (1) according to Claim 4 characterised in that the metering member (4) is rotatable from an operable to an inoperable position.
10. A medicament delivery device (1) according to Claim 1 characterised in that the metering member (4) comprises a combination of a dispensing member (10) and an outer sleeve.
11. A medicament delivery device (1) according to Claim 10 characterised in that the outer sleeve is a moisture resistant sleeve (9).
12. A medicament delivery device (1) according to Claim 11 characterised in that the moisture resistant sleeve (9) is adapted to act as a medicament measuring device.
13. A medicament delivery device (1) according to claim 12 wherein the moisture resistant sleeve is a frusto hemispherical cone (22).
14. A medicament delivery device (1) according to Claim 1 characterised in that the device may be moved to a first position in which the medicament is transferred to a measuring chamber, the device is then moved to a second position. in which medicament is transferred to a dispensing chamber and to a third position where medicament is delivered into the delivery passage (3).
15. A medicament delivery device (1) which is an inhaler and comprises a medicament reservoir (2), an inhalation passage (3) and a metering member (4) provided with at least one dispensing cup (13) and adapted to transfer a measured dose of medicament from the medicament reservoir (2) to the inhalation passage (3) characterised in that the dispensing cup (13) is provided with an air duct (14).
16. An inhaler according to Claim 15 characterised in that the device is provided with a moisture proof barrier.
17. An inhaler comprising a medicament reservoir (2), an inhalation passage (3) for the delivery of the medicament and a metering member (4) adapted to transfer a measured dose of medicament from the medicament reservoir (2) to the inhalation passage (3) characterised in that the metering member (4) comprises a measuring member adapted to measure a pre-defined dosage of medicament and moveable from a measuring to a non-measuring position;
and a dispensing member adapted to receive the measured dosage of medicament from the measuring member and to deliver the medicament to the inhalation passage, the dispensing member being moveable from a medicament receiving position to a medicament delivering position.
18. An inhaler according to Claim 17 wherein the second member is provided with one or more medicament receiving cups, said cups being provided with an air duct so as to provide a flow of air through the passage and the cup into the inhalation passage upon operation of the device.
19. An inhaler comprising a medicament reservoir (2), an inhalation passage (3) for the delivery of the medicament and a metering member (4) adapted to transfer a measured dose of medicament from the medicament reservoir (2) characterised in that the metering member (4) is provided with a duct (14) to allow air to be sucked through the metering member upon inhalation by a patient.
20. An inhaler according to claim 19 characterised in that the metering member (4) comprises an outer sleeve and a dispensing member (10).
21. A medicament delivery device (1) according to claim 20 characterised in that the duct is part of a measuring cup in the dispensing member.
22. A method of administering a medicament by inhalation which comprises the use by a patient of an inhaler according to claim 1.
23. A method of administering a dry powder inhalation medicament using an inhaler according to Claim 7.
24. A method of treatment of a patient with a respiratory disorder which comprises the administration of a combination of medicaments using an inhaler according to Claim 7.
25. A medicament delivery device (1) substantially as described with reference to the accompanying drawings.
CA2373278A 1999-06-05 2000-06-05 Medicament delivery device with measuring chamber and dispensing cup Expired - Fee Related CA2373278C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2725731A CA2725731A1 (en) 1999-06-05 2000-06-05 Delivery system

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9913047.8 1999-06-05
GBGB9913047.8A GB9913047D0 (en) 1999-06-05 1999-06-05 Inhaler
GBGB9916283.6A GB9916283D0 (en) 1999-07-13 1999-07-13 Inhaler
GB9916283.6 1999-07-13
PCT/GB2000/002017 WO2000074754A2 (en) 1999-06-05 2000-06-05 Delivery system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2725731A Division CA2725731A1 (en) 1999-06-05 2000-06-05 Delivery system

Publications (2)

Publication Number Publication Date
CA2373278A1 true CA2373278A1 (en) 2000-12-14
CA2373278C CA2373278C (en) 2011-04-05

Family

ID=26315636

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2725731A Abandoned CA2725731A1 (en) 1999-06-05 2000-06-05 Delivery system
CA2373278A Expired - Fee Related CA2373278C (en) 1999-06-05 2000-06-05 Medicament delivery device with measuring chamber and dispensing cup

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2725731A Abandoned CA2725731A1 (en) 1999-06-05 2000-06-05 Delivery system

Country Status (16)

Country Link
US (3) US7207330B1 (en)
EP (1) EP1183061B2 (en)
JP (1) JP4540906B2 (en)
AT (1) ATE294608T1 (en)
AU (1) AU777278B2 (en)
BR (1) BR0011343A (en)
CA (2) CA2725731A1 (en)
DE (1) DE60019920T2 (en)
ES (1) ES2241611T3 (en)
IL (1) IL146886A0 (en)
MX (1) MXPA01012533A (en)
NO (1) NO20015910L (en)
NZ (2) NZ515557A (en)
PL (1) PL352615A1 (en)
PT (1) PT1183061E (en)
WO (1) WO2000074754A2 (en)

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NZ515557A (en) 2003-10-31
IL146886A0 (en) 2002-08-14
ATE294608T1 (en) 2005-05-15
DE60019920T2 (en) 2006-02-23
NO20015910L (en) 2002-01-24
AU777278B2 (en) 2004-10-07
CA2725731A1 (en) 2000-12-14
EP1183061A2 (en) 2002-03-06
BR0011343A (en) 2002-03-12
MXPA01012533A (en) 2003-10-14
WO2000074754A2 (en) 2000-12-14
EP1183061B2 (en) 2012-10-17
AU5088800A (en) 2000-12-28
US20070039618A1 (en) 2007-02-22
WO2000074754A3 (en) 2001-06-28
JP2003501158A (en) 2003-01-14
CA2373278C (en) 2011-04-05
JP4540906B2 (en) 2010-09-08
DE60019920D1 (en) 2005-06-09
US7207330B1 (en) 2007-04-24
US20120199122A1 (en) 2012-08-09
NO20015910D0 (en) 2001-12-03
NZ524959A (en) 2004-12-24
PL352615A1 (en) 2003-08-25
ES2241611T3 (en) 2005-11-01
EP1183061B1 (en) 2005-05-04
PT1183061E (en) 2005-08-31

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